from tkinter import *
print ("Введите начальную координату x")
X = int (input())
print ("Введите начальную координату y")
Y = int (input())
print ("Введите  коэффицент умножения")
N = int (input())

coords = [ 0, 0, 10, 0, 10, 10, 20, 10, 20, 20, 10, 20, 10, 30, 0, 30 ]

if N == 0 and X >= 0 and X <= 500 and Y >= 0 and Y <= 500:
     pass
else:
     if N >  0 and 0*N+X >= 0 and 0*N+Y >= 0 and 20*N+X <= 500 and 20*N+Y <= 500:
          pass
     else:
          if N <  0 and 20*N+X >= 0 and 20*N+Y >= 0 and 0*N+X <= 500 and 0*N+Y <= 500:
               pass
          else:
               print ("Размер фигуры превышает размер поля")
               exit ()

root = Tk()
root.title ("ИТ-марафон")
root.geometry("500x500")
canvas = Canvas (bg="white", width = 500, height = 500)
canvas.pack( anchor=CENTER, expand=1 )
canvas.create_polygon(coords [0]*N+X, coords [1]*N+Y,
                                   coords [2]*N+X, coords [3]*N+Y,
                                   coords [4]*N+X, coords [5]*N+Y,
                                   coords [6]*N+X, coords [7]*N+Y,
                                   coords [8]*N+X, coords [9]*N+Y,
                                   coords [10]*N+X, coords [11]*N+Y,
                                   coords [12]*N+X, coords [13]*N+Y,
                                   coords [14]*N+X, coords [15]*N+Y)

root.mainloop()
